some cleanup

1 files changed, 0 insertions, 18 deletions

diff --git a/echo.S b/echo.S
deleted file mode 100644
index 337c26b..0000000
--- a/echo.S
+++ /dev/null
@@ -1,18 +0,0 @@
-.section .text
-.globl _start
-
-.equ UART_DATA, 0
-.equ UART_STATUS, 1
-.equ UART_RX_READY, 0b10
-.equ UART_TX_READY, 0b01
-
-_start:
-    li a0, 0x10000
-
-loop:
-    lbu t0, UART_STATUS(a0)
-    andi t0, t0, UART_RX_READY
-    beqz t0, loop
-    lbu t0, UART_DATA(a0)
-    sb t0, UART_DATA(a0)
-    j loop